Infino vs the alternatives

One engine for keyword, vector, and SQL, over standard Parquet in your own bucket.

the field ✓ yes ~ partial ✗ no
system keyword + vectorSQLparquetopen formatopen source cost runs as data lives
elasticsearch yes: BM25 + kNN + RRF partial: ES|QL and a SQL plugin no: Lucene segments, engine-private no: segments are readable only by Elasticsearch partial: AGPL / ELv2 relative cost 5 of 5: the modeled case is a replicated hot-tier deployment; object-backed cold tiers have a different cost and latency profile cluster hot tier: block storage
opensearch yes: BM25 + k-NN + search pipelines partial: SQL plugin / PPL no: Lucene segments, engine-private no: segments are readable only by OpenSearch yes: Apache-2 relative cost 5 of 5: the modeled case is Multi-AZ with Standby; UltraWarm and cold tiers have a different cost and latency profile cluster or service hot tier: block storage
clickhouse partial: native token filtering plus vector search; application-defined fusion yes: full SQL, its own dialect partial: reads and writes Parquet; native tables are MergeTree partial: MergeTree is documented but read through ClickHouse yes: Apache-2 relative cost 3 of 5: nodes sized for the working set; object storage tiers cost less cluster block or object
qdrant partial: dense + sparse retrieval no: retrieval API no: engine-private indexes no: engine-private indexes yes: Apache-2 relative cost 4 of 5: always-on servers sized to the index cluster block storage
pinecone partial: dense + sparse retrieval no: retrieval API no: engine-private indexes no: engine-private indexes no: closed source, hosted only relative cost 4 of 5: usage-priced serverless; Dedicated Read Nodes at sustained QPS service object storage
postgres partial: native FTS + pgvector; BM25 needs another extension; combine ranks yourself yes: full Postgres SQL no: Postgres tables, read through Postgres partial: readable through Postgres; heap storage remains Postgres-native yes: PostgreSQL license relative cost 3 of 5: text, vector, and application workloads share the Postgres instances and block storage database block storage
snowflake partial: warehouse SQL or Cortex Search; separate retrieval path yes: full Snowflake SQL partial: reads Parquet and Iceberg; native tables are Snowflake partial: exportable; native storage is Snowflake no: closed source, hosted only relative cost 4 of 5: warehouse compute and storage; low-latency retrieval may add Cortex Search service warehouse storage
databricks partial: warehouse SQL or AI Search; separate retrieval path yes: Databricks SQL / Spark SQL yes: Delta / Parquet in your bucket partial: Delta is an open table format; the platform is Databricks partial: Spark and Delta are open; the platform is closed relative cost 4 of 5: SQL warehouse DBUs plus the lake in your bucket; AI Search is a separate product service object storage
infino yes: BM25 + vector + RRF in one query yes: DataFusion; search as table functions yes: standard Parquet with the indexes inside yes: Parquet columns stay readable; embedded search indexes require Infino yes: Apache-2 relative cost 1 of 5: storage and compute scale apart; files can live on object or block storage embedded object or block
cat CHOOSING.md

How to choose a vector or search engine

  1. Hybrid search, built in or bolted on

    Ask whether keyword and vector search run over the same rows in one query, with the rankings fused by the engine, or whether you run two systems and merge the lists in application code.

    infino Infino runs BM25 and vector search in one call and fuses them with reciprocal rank fusion, and the same search is a SQL table function.

  2. SQL over the results

    Real questions filter, join and count: by customer, by team, by week. Check whether that happens next to the search or in a second system.

    infino Each search is a table in DataFusion SQL, so results can be filtered, joined and grouped in one statement. SQL is read-only, and writes go through the API.

  3. Copy the data in, or keep it open

    Most engines keep data in a format only they can read. Check what else can open the stored data, and what an export or a migration costs.

    infino Infino writes standard Parquet with the indexes inside the files, so any Parquet reader opens them directly. Data is loaded into an Infino table once, by appending it.

  4. Exact or approximate search

    Exact search is precise and fine for small corpora. Approximate indexes make large corpora fast at a small recall cost. Check which you get, and the recall it reaches on data like yours.

    infino Infino serves vectors from an approximate IVF index with a full-precision rerank, tuned from the table's own data.

  5. Where it runs and where the data lives

    A cluster you operate, a hosted service, or a library inside your application. And whether the data sits on disks you provision or in object storage at object-storage prices.

    infino Infino is a library, or the hosted Infino Cloud, over data on local disk, S3 or Azure Blob.

  6. The license

    Open source covers a range, from permissive licenses to source-available ones that restrict hosting. Check the license on the exact edition you would run.

    infino Infino's engine is Apache-2.0.

  7. Performance on your workload

    A ranking measures someone else's workload. Run your own queries at your own scale, or use a benchmark that publishes its configurations and lets you rerun it.

    infino Open VDBBench reruns 19 engines on current versions under one set of rules, and the benchmarks page lists the commands behind every result.

Benchmarks you can rerun: Open VDBBench · Infino benchmarks. For an agent's store in particular: choosing a database for AI agents. For engines that run inside your application: embedded search engines compared. For what each architecture costs to run at scale: cost-efficient alternatives for large-scale search and vector databases.

cat FAQ.md

What Infino replaces, and what it does not

What is the best vector database?

There is no single best one. The right engine depends on whether you need keyword search next to vectors, SQL over the results, an open storage format, and a server or a library. (how to choose)

  • keyword, vector and SQL over the same data, kept as Parquet: Infino
  • vectors next to application data already in Postgres: pgvector
  • dedicated vector serving at a high sustained query rate: Qdrant or Pinecone
What is a cost-efficient alternative to Elasticsearch for large datasets?

An engine that keeps the index in object storage instead of on replicated block storage, so retained data stops setting the cluster size. (cost-efficient alternatives)

  • infino: one searchable copy as Parquet in object storage, with a supported Query DSL subset
  • opensearch: the same cluster model under Apache-2.0
  • postgres or clickhouse: text search inside a database you already run
Which vector databases are cost-efficient for large datasets?

The ones that store vectors at object-storage rates and size compute to the queries rather than to the corpus. (cost-efficient alternatives)

  • infino: embeddings in Parquet on object storage, IVF with a full-precision rerank, a local cache for the hot part
  • serverless vector services: usage pricing that suits uneven traffic
  • dedicated vector servers: always on and sized to the index
Should I use a dedicated search engine or SQL with search extensions?

Extensions keep search next to your data but load the database you scale. A dedicated engine scales search apart but adds a second copy and a sync loop. Infino is a search engine whose results are SQL relations over Parquet. (the trade-offs)

Can Infino replace my search engine?

Yes. Infino is a full-text, vector, and hybrid search engine over Parquet, with BM25 and reciprocal-rank fusion built into the query path.

  • full-text, vector, and hybrid search run over the same rows and snapshot
  • the columns and retrieval indexes live together in standard Parquet
  • search results are SQL relations that can be filtered, joined, and aggregated
Does Infino replace my vector database?

Yes. Infino provides vector search over Parquet and combines it with BM25, reciprocal-rank fusion, and SQL in the same engine.

  • HNSW when the working set is pinned in RAM; OPANN + Sq16 when it lives on object storage
  • keyword and vector run in one pass and are fused by RRF inside the query
  • the embeddings stay in the Parquet file
Does Infino replace Snowflake, Databricks, or DuckDB?

It can replace the read path for search, hybrid search, and selected SQL. Snowflake and Databricks retain their broader data-platform ecosystem, while DuckDB remains a strong fit for local analytical work. (vs snowflake / databricks)

  • broad scans, large aggregations, BI, governance, notebooks, sharing, and pipelines generally remain on the existing platform
  • Infino can write open Parquet and serve as the indexed reader for selective retrieval
  • manifest and embedded-index pruning can reduce the bytes decoded before DataFusion runs the remaining SQL plan
What does Infino run as, and where does the data live?

Infino runs as an embedded engine or a managed service and reads Parquet from object storage or local block storage. Storage and compute scale apart.

  • data lives as standard Parquet on object or block storage, with the search indexes inside the files
  • on object storage, hot byte ranges stay in a local RAM and NVMe cache; nothing in that cache is the durable copy
  • compute runs over those files and scales independently from corpus growth
How does data get into Infino, and how fresh is it?

You write with append, update, and delete. Each write publishes atomically as a commit, so a query sees the whole batch or none of it.

  • a commit writes new Parquet files plus a new manifest, then swaps the current-manifest pointer in one atomic step
  • existing files are never mutated: updates and deletes publish a new snapshot over different files
  • concurrent writers are guarded, so a writer on a stale manifest retries instead of clobbering another commit
  • read freshness follows the table’s consistency policy on every query; indexing is part of the write path
What does "keyword + vector" mean?

Whether one engine runs keyword and vector search and ranks the results together.

  • infino: BM25 + vector, fused with RRF in one query
  • elasticsearch: BM25 + kNN + RRF
  • opensearch: BM25 + k-NN + search pipelines
  • clickhouse: native token filtering plus vector search; application-defined fusion
  • postgres: native text ranking plus pgvector; BM25 extension and application-defined rank fusion
  • qdrant: dense and sparse retrieval; you set quantization and HNSW
  • pinecone: dense and sparse retrieval; managed scoring and hybrid weighting
  • snowflake, databricks: warehouse SQL or a managed search product on a separate retrieval path
What does "SQL" mean?

Whether you can run SQL over the same rows the search indexes cover.

  • infino: SQL through DataFusion; search runs as table functions inside the query
  • clickhouse: full SQL in its own dialect
  • postgres: full Postgres SQL
  • elasticsearch: partial, ES|QL and a SQL plugin
  • opensearch: partial, SQL plugin and PPL
  • snowflake, databricks: full warehouse SQL
  • qdrant, pinecone: retrieval APIs
What does "parquet" mean?

Whether the stored data is Apache Parquet, the format your warehouse and your notebooks already read.

  • infino: standard Parquet with the indexes inside it
  • clickhouse: reads and writes Parquet, but its native tables are MergeTree
  • postgres: Postgres tables
  • databricks: Delta / Parquet in your bucket
  • snowflake: reads Parquet and Iceberg; native tables are Snowflake
  • elasticsearch, opensearch, qdrant, pinecone: engine-private formats
What does "open format" mean?

Whether your data stays readable after the engine stops running, without requiring that engine.

  • infino: independent Parquet readers can open the columns; the embedded search indexes are Infino-specific
  • postgres: anything that speaks Postgres can read the tables
  • clickhouse: MergeTree is documented, but read through ClickHouse
  • databricks: Delta is an open table format; read through Databricks or any Delta reader
  • snowflake: exportable; native storage is Snowflake
  • elasticsearch, opensearch, qdrant, pinecone: engine-owned storage formats
What does "open source" mean?

Whether the engine you would run yourself is under an open-source license.

  • infino: Apache-2
  • elasticsearch: AGPL / ELv2, so partial
  • opensearch: Apache-2
  • clickhouse: Apache-2
  • qdrant: Apache-2
  • pinecone: closed source, hosted only
  • snowflake: closed source, hosted only
  • databricks: Spark and Delta are open; the platform is closed
  • postgres: PostgreSQL license
What does the cost column mean?

A rough five-point comparison of the deployment types modeled here. Corpus size, traffic, availability, region, and discounts can change the order.

  • infino, $: retention is billed at object-storage rates, and compute scales apart from it
  • clickhouse, $$$: nodes sized for the working set, though object-storage tiers cost less
  • postgres, $$$: text, vector, and application workloads scale on the same database
  • qdrant, $$$$: always-on servers sized to the index
  • pinecone, $$$$: usage-priced serverless; Dedicated Read Nodes at sustained QPS
  • elasticsearch, $$$$$: the modeled hot-tier deployment is a replicated cluster; cold tiers differ
  • opensearch, $$$$$: Multi-AZ with Standby; UltraWarm and cold tiers differ
  • snowflake, $$$$: warehouse compute and storage; hybrid adds Cortex Search
  • databricks, $$$$: SQL warehouse DBUs plus the lake in your bucket
  • the crossover depends on the workload: constant heavy query traffic narrows the gap
Which vendors are included?

This short list covers the alternatives that appear most often in Infino evaluations. Validate the result against your workload and vendor quotes.

Compared. Now try it on your own data.

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or run it yourself: pip install infino · Apache-2.0 · quickstart →

Go deeper: elasticsearch / opensearch · qdrant / pinecone · postgres / clickhouse · snowflake / databricks · iceberg / hudi · architecture